don't take chantix if you've had a serious allergic or skin reaction to it. if you develop these stop taking chantix and see your doctor right away as some can be life-threatening. if you have a history of heart or blood vessel problems, tell your doctor if you have new or worse symptoms. get medical help right away if you have symptoms of a heart attack. use caution when driving or operating machinery. common side effects include nausea, trouble sleeping and unusual dreams. it helps to have people around you... they say, you're much bigger than this. and you are. [ male announcer ] ask your doctor if chantix is right for you. >>> welcome back, everybody. a look at the other stories topping the news now. the fbi has arrested four california men who allegedly planned to join al qaeda and the taliban. the men are charged with plotting violent jihad against americans overseas. a house explosion that damaged 8 homes is now a homicide investigation. police have yet to name a suspect. >>> no more nudity in san francisco. city officials will vote later today on an o